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Finding the Fourth Proportional to 39,323, 54,267.90 and 22,557.08

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Solution

The fourth proportional to 39,323, 54,267.90 and 22,557.08 is: 31,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,323 : 54,267.90 = 22,557.08 : x
  2. Step 2: Convert to fraction form
    39,323/54,267.90 = 22,557.08/x
  3. Step 3: Cross multiply
    39,323x = 54,267.90 × 22,557.08
  4. Step 4: Simplify right side
    39,323x = 1,224,125,361.73
  5. Step 5: Solve for x
    x = 1,224,125,361.73/39,323
  6. Step 6: Final answer
    x = 31,130.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.